A quantity $x$ is given by $\left( IF v^{2} / WL ^{4}\right)$ in terms of moment of inertia $I,$ force $F$, velocity $v$, work $W$ and Length $L$. The dimensional formula for $x$ is same as that of
  • A
    Planck's constant
  • B
    Force constant
  • C
    Energy density
  • D
    Coefficient of viscosity
JEE MAIN 2020, Diffcult
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